Phylum Mollusca Linnaeus, 1758 - molluscs
Count: [*†*] 8c;49o;641f;6099g; †2f;162g [24 Jan 2022]
   Class Bivalvia Linnaeus, 1758 - bivalves
  Count: [*] 13o;124f;1093g; †2f;26g [23 Jan 2022]
     Subclass Pteriomorphia Beurlen, 1944 see Superorder Pteriomorphia Beurlen, 1944
    Count: [*†*] 5o;24f;208g; †1g [30 Dec 2021]
       Order Mytilida Férussac, 1822 [monotypic]
      Count: [*] 1f;52g [26 Dec 2021]
         Suborder Mytilina Férussac, 1822 [monotypic] see Order Mytilida Férussac, 1822
        Count: [*] 1f;52g [26 Dec 2021]
           Superfamily Mytiloidea Rafinesque, 1815 [monotypic]
          Count: [*] 1f;52g [26 Dec 2021]
             Family Mytilidae Rafinesque, 1815 - marine mussels
            Count: [*] 52g [26 Dec 2021]
               Subfamily Crenellinae Gray, 1840
              Count: [*] 12g [26 Dec 2021]
                 Genus Arcoperna Conrad, 1865
                Count: -